JP2017177153A - Metal roll end surface alignment device - Google Patents
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- JP2017177153A JP2017177153A JP2016067160A JP2016067160A JP2017177153A JP 2017177153 A JP2017177153 A JP 2017177153A JP 2016067160 A JP2016067160 A JP 2016067160A JP 2016067160 A JP2016067160 A JP 2016067160A JP 2017177153 A JP2017177153 A JP 2017177153A
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 46
- 239000002184 metal Substances 0.000 title claims abstract description 46
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 238000004804 winding Methods 0.000 claims abstract description 16
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Abstract
Description
本発明は、帯状の金属薄板を巻き取り、その端面をきれいに揃える金属ロール端面揃え装置に関する。 The present invention relates to a metal roll end face aligning device that winds a strip-shaped metal thin plate and neatly aligns its end face.
トランスは一般的に、絶縁シートと導電シートとが交互に巻かれた構成を有する。発電所や変電所には大型のトランスが備わるが、これも原理は同じであり、導電シートには、たとえば、厚みが１ｍｍ〜２ｍｍ程度、幅が５００ｍｍ〜８００ｍｍ、長さは５００ｍ〜１５００ｍの帯状の金属薄板が用いられる。 A transformer generally has a configuration in which insulating sheets and conductive sheets are alternately wound. Power stations and substations are equipped with large transformers, but the principle is the same. For example, the conductive sheet is a strip having a thickness of about 1 mm to 2 mm, a width of 500 mm to 800 mm, and a length of 500 m to 1500 m. A thin metal plate is used.
トランスを製造する際には、金属薄板と絶縁シートとを揃えて捲回していくが、このとき、金属薄板の送り出し側に精度が求められ、端面の揃った金属薄板のロールが必要とされる。 When manufacturing a transformer, a thin metal plate and an insulating sheet are aligned and wound, but at this time, accuracy is required on the feeding side of the thin metal plate, and a roll of the thin metal plate having a uniform end face is required. .
従来では、ロール端面を揃える方式として、図４（ａ）に示したような、巻き付ける軸自体を軸方向に前後させる端面移動調整方式や、図４（ｂ）に示したような、一定のテンションをかけ続けて巻き取る、ルーフピット・テンションパッド方式などが知られていた。 Conventionally, as a method for aligning the roll end surfaces, an end surface movement adjusting method for moving the winding shaft itself back and forth in the axial direction as shown in FIG. 4A or a constant tension as shown in FIG. 4B. The roof pit / tension pad method, etc., was known for continuous winding.
しかしながら、従来の技術では以下の問題点があった。
生産性の観点から巻取速度は、５００ｍｍ／ｓｅｃ以上を要求され、５００ｍｍ以上もある巾を１ｍｍ以内のずれで常時収める必要があるため、図４（ａ）の方式では、油圧を用いて巻取側を前後せざるをえず、油圧駆動部分も含めると装置が極めて大がかりとなる、という問題点があった。
However, the conventional technique has the following problems.
From the viewpoint of productivity, the winding speed is required to be 500 mm / sec or more, and it is necessary to always keep a width of 500 mm or more with a deviation within 1 mm. Therefore, in the method of FIG. There was a problem that the apparatus would become very large if the hydraulic drive part was included, even if the take side had to be moved back and forth.
また、この方式では、一軸に対して一つのロールしか形成できないので、生産性が低いという問題点があった。 In addition, this method has a problem in that productivity is low because only one roll can be formed per axis.
図４（ｂ）の方式では複数ロールを同時に巻き取ることが可能であるが、一旦垂れ下げて巻取張力を調整するピットが必要となり、こちらも装置が大がかりとなるという問題点があった。 In the method shown in FIG. 4B, a plurality of rolls can be wound simultaneously, but a pit that once hangs down to adjust the winding tension is necessary, which also has a problem that the apparatus becomes large.
本発明は上記に鑑みてなされたものであって、装置の大型化を招来せず端面の揃った金属ロールを形成可能な装置を提供することを目的とする。
また、一軸で多数のロールの形成も可能な金属ロール端面揃え装置を提供することを目的とする。
This invention is made | formed in view of the above, Comprising: It aims at providing the apparatus which can form the metal roll with which the end surface was equal without causing the enlargement of an apparatus.
It is another object of the present invention to provide a metal roll end face alignment device that can form a large number of rolls on one axis.
請求項１に記載の金属ロール端面揃え装置は、連続的に供給される一定幅の帯状の金属薄板を巻きつける軸棒と、軸棒を回転させ金属薄板を巻き取る回転手段と、軸棒に巻き付くより上流の位置にて、送られてくる帯の縁の位置ずれの量を検知する検知手段と、検知手段近傍の帯の左右にそれぞれ配したローラであって、独立して、帯の左側または右側に押し当てて厚み方向に圧力をかけるローラと、検知手段による位置ずれの量に基づき、はみ出している側のローラを帯に押し当てるローラ制御手段と、を具備し、位置ずれをなくしつつ巻き取って金属ロールを形成することを特徴とする。 The metal roll end face aligning device according to claim 1 is a shaft rod for winding a strip-shaped thin metal plate of a constant width supplied continuously, a rotating means for rotating the shaft rod to wind up the thin metal plate, and a shaft rod. Detection means for detecting the amount of positional deviation of the edge of the belt sent at a position upstream from the winding, and rollers arranged on the left and right of the belt in the vicinity of the detection means. A roller that presses against the left or right side to apply pressure in the thickness direction, and a roller control means that presses the protruding roller against the belt based on the amount of positional deviation by the detecting means, and eliminates positional deviation. The metal roll is formed while being wound.
すなわち、請求項１にかかる発明は、簡便な機構により端面を揃えることができる。具体的には、はみ出し側にローラを押し当ててはみ出しをもとに戻す（規定値以内に収める）ことができる。 That is, the invention according to claim 1 can align the end faces by a simple mechanism. Specifically, the roller can be pressed against the protruding side to return to the original state (within a specified value).
なお、軸棒は、金属薄板の湾曲癖が強くない方が良いので、大径、たとえば、直径３００ｍｍ程度とするのが好ましい。
検知手段は、ローラ近傍の上流または下流近傍に配置することができるが、上流側に配するとフィードバックがかけやすい。
ローラは、車輪様でも円筒様でも球様でもよく、押圧ないし押し込み（押し下げ）できるものであれば特に限定されない。
Note that the shaft rod preferably has a large diameter, for example, a diameter of about 300 mm, because it is better that the metal plate is not strongly curved.
The detection means can be arranged in the vicinity of the roller in the upstream or in the vicinity of the downstream, but if it is arranged on the upstream side, feedback is easily applied.
The roller may be wheel-like, cylindrical or spherical, and is not particularly limited as long as it can be pressed or pushed down (pressed down).
請求項２に記載の金属ロール端面揃え装置は、請求項１に記載の金属ロール端面揃え装置において、軸棒に対して複数の金属薄板を巻きつけ、検出手段と左右それぞれのローラとを組にして、各金属薄板に配したことを特徴とする。 The metal roll end face aligning device according to claim 2 is the metal roll end face aligning device according to claim 1, wherein a plurality of thin metal plates are wound around the shaft rod, and the detection means and the left and right rollers are combined. And arranged on each metal sheet.
すなわち、請求項２にかかる発明は、一軸にて複数ロールを形成することができる。
なお、ローラ制御手段は、それぞれのローラを制御できるのはいうまでもない。
That is, the invention according to claim 2 can form a plurality of rolls uniaxially.
Needless to say, the roller control means can control each roller.
請求項３に記載の金属ロール端面揃え装置は、請求項２に記載の金属ロール端面揃え装置において、金属薄板を供給方向に切断して前記複数の金属薄板に分割する切断刃を上流に設けたことを特徴とする。 The metal roll end face aligning apparatus according to claim 3 is the metal roll end face aligning apparatus according to claim 2, wherein a cutting blade for cutting the metal thin plate in the supply direction and dividing it into the plurality of metal thin plates is provided upstream. It is characterized by that.
すなわち、請求項３にかかる発明は、要求される製品仕様にあわせて効率よく複数ロールを同時に形成することができる。 That is, the invention according to claim 3 can efficiently form a plurality of rolls simultaneously in accordance with required product specifications.
請求項４に記載の金属ロール端面揃え装置は、請求項１、２または３に記載の金属ロール端面揃え装置において、ローラ制御手段は、ローラを押し当てる圧力またはローラを押し当てる時間を制御することを特徴とする。 The metal roll end face aligning device according to claim 4 is the metal roll end face aligning device according to claim 1, 2, or 3, wherein the roller control means controls the pressure for pressing the roller or the time for pressing the roller. It is characterized by.
すなわち、請求項４にかかる発明は、従量的な動的制御を実現する。 That is, the invention according to claim 4 realizes metered dynamic control.
本発明によれば、装置の大型化を招来せず端面の揃った金属ロールを形成可能な装置を提供することができる（請求項１，４）。
また、一軸で多数のロールの形成も可能な装置を提供することができる（請求項２，３，４）。
ADVANTAGE OF THE INVENTION According to this invention, the apparatus which can form the metal roll with which the end surface was equal without causing the enlargement of an apparatus can be provided.
Further, it is possible to provide an apparatus capable of forming a large number of rolls on one axis (claims 2, 3 and 4).
以下、本発明の実施の形態を図面を参照しながら詳細に説明する。ここでは、上流から送られてくる、切れ目のない巾５００ｍｍ、厚み１．５ｍｍのアルミ薄板Ａの帯を、端面を揃えてロール状に巻き取る例について説明する。なお、以降では、本発明の金属ロール端面揃え装置を、単に揃え装置と称することとする。
図１は、揃え装置の外観構成図である。図２は、ロールによる押し当ての様子を示した説明図である。なお、説明の便宜上、各構成部は必ずしも縮尺を同じとせず描画している。
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Here, an example will be described in which a strip of an aluminum sheet A having a width of 500 mm and a thickness of 1.5 mm, which is sent from upstream, is wound into a roll shape with the end surfaces aligned. Hereinafter, the metal roll end face aligning device of the present invention is simply referred to as an aligning device.
FIG. 1 is an external configuration diagram of the aligning device. FIG. 2 is an explanatory view showing a state of pressing by a roll. For convenience of explanation, each component is not necessarily drawn to the same scale.
揃え装置１は、軸駆動部１０と、センサ２０と、押圧部３０と、制御部４０と、を有する。 The aligning device 1 includes a shaft driving unit 10, a sensor 20, a pressing unit 30, and a control unit 40.
軸駆動部１０は、軸棒１１と、駆動部１２と、軸受１３と、により構成される。
軸棒１１は、直径３００ｍｍの円柱であり、ここに薄板Ａを巻き付ける。なお、ロール状に巻き付けると薄板Ａには癖がつきやすくなるが、曲率が小さいほど（直径が大きいほど）癖が残りにくいので、軸棒１１は大径としている。
駆動部１２は、軸棒１１を一方向に回転し軸棒１１による薄板Ａの巻き取りをおこなう。最終的に外径約７００ｍｍのロールを形成していくが（内径は３００ｍｍ）、薄板Ａが軸棒１１に巻き付くにしたがってロールが太くなるため、アルミ薄板Ａの移送速度（巻き取り速度）が５００ｍｍ／ｓｅｃとなるように駆動部１２はその回転速度を調整するようにしている。なお、駆動に際しては、モータを介したベルトドライブ方式を採用している。
軸受１３は、大重量となるロールを、軸棒１１による片支えとならないように、軸棒１１の他端を受けて、安定的な回転を実現する。
The shaft drive unit 10 includes a shaft rod 11, a drive unit 12, and a bearing 13.
The shaft 11 is a cylinder having a diameter of 300 mm, and the thin plate A is wound around it. Note that, when wound in a roll shape, the thin plate A is likely to be wrinkled, but the smaller the curvature (the larger the diameter), the harder the wrinkles remain, so the shaft rod 11 has a large diameter.
The drive unit 12 rotates the shaft 11 in one direction and winds the thin plate A by the shaft 11. Finally, a roll having an outer diameter of about 700 mm is formed (inner diameter is 300 mm), but the roll becomes thicker as the thin plate A is wound around the shaft 11, so the transfer speed (winding speed) of the aluminum thin plate A is The drive unit 12 adjusts the rotational speed so as to be 500 mm / sec. In driving, a belt drive system via a motor is adopted.
The bearing 13 receives the other end of the shaft bar 11 so that a heavy roll is not supported by the shaft bar 11 and realizes stable rotation.
センサ２０は、軸棒１１による巻き付き位置から５００ｍｍ上流に配され、アルミ薄板Ａの端部をモニタリングする。ここでは、端面へ向けてレーザ光を照射し、透過したか否かで境界（縁）を検出し、規定位置からどれだけずれているか（はみ出しているか、引っ込んでいるか）を検知する透過型レーザセンサを採用している。なお、サンプリングは０．０１秒ごととしている。 The sensor 20 is arranged 500 mm upstream from the position where the shaft 11 is wound, and monitors the end of the aluminum thin plate A. Here, a laser beam is irradiated toward the end face, a boundary (edge) is detected based on whether or not the laser beam is transmitted, and how far it is deviated from the specified position (extruded or retracted) is detected. The sensor is adopted. Sampling is performed every 0.01 seconds.
押圧部３０は、ローラ３１と、昇降部３２と、により構成され、センサ２０の５００ｍｍ程度上流の薄板Ａの左右に配されている（以降では、軸棒１１を背にして右側をローラ３１Ｒ，左側をローラ３１Ｌと称することとする）。
ローラ３１は、直径４０ｍｍ長さ９０ｍｍの円筒ローラであって、軸ホルダ３３により自由に回転する。
昇降部３２は、この軸ホルダ３３を昇降させローラ３１の薄板Ａへの押し当てまたは引き戻しをおこなう。駆動には、ここではＡＣサーボシリンダを用いている。図２に、非作動時の状態（ａ）と、作動時（降下時）の状態（ｂ）を示した。ローラ３１が押しあたると、移送されてくる薄板Ａは他方のローラ３１側へ少しずつ移動していく。すなわち、薄板Ａは、ローラ３１Ｒが下がるとローラ３１Ｌ側寄りとなり、ローラ３１Ｌが下がるとローラ３１Ｒ側寄りとなる。なお、移動量はローラ３１が押しあたる強さまたは時間に依存する。
The pressing unit 30 includes a roller 31 and an elevating unit 32, and is disposed on the left and right sides of the thin plate A about 500 mm upstream of the sensor 20 (hereinafter, the right side is the roller 31R, with the shaft 11 as the back). The left side is referred to as a roller 31L).
The roller 31 is a cylindrical roller having a diameter of 40 mm and a length of 90 mm, and is freely rotated by the shaft holder 33.
The elevating part 32 raises and lowers the shaft holder 33 to press or pull the roller 31 against the thin plate A. Here, an AC servo cylinder is used for driving. FIG. 2 shows a non-operating state (a) and an operating (descent) state (b). When the roller 31 is pressed, the transferred thin plate A moves little by little to the other roller 31 side. That is, the thin plate A is closer to the roller 31L when the roller 31R is lowered, and closer to the roller 31R when the roller 31L is lowered. Note that the amount of movement depends on the strength or time with which the roller 31 is pressed.
制御部４０は、センサ２０からずれ量を入力し、設定値である０．５ｍｍプラス、または０．５ｍｍマイナスを超えた場合、はみ出している側のローラ３１を降下させるべく昇降部３２に降下信号を送出する。
なお、制御部４０は、設定値以内に収まったら上昇信号を送信してもよいし、それまでのはみ出し量の推移から、はみ出し速度やはみ出し加速度を算出し、それに基づいて押し当て時間や押し当て強さ（降下深さ）を調整するようにしても良い。
When the control unit 40 receives the deviation amount from the sensor 20 and exceeds the set value of 0.5 mm plus or 0.5 mm minus, the controller 40 lowers the raising and lowering unit 32 to lower the protruding roller 31. Is sent out.
The control unit 40 may transmit an ascending signal when it falls within the set value, or calculates the protruding speed and the protruding acceleration from the transition of the protruding amount until then, and the pressing time and the pressing based on the calculated speed. The strength (descent depth) may be adjusted.
揃え装置１の構成は、以上であるので、位置ずれをなくしつつ巻き取って、端面の揃った金属ロールを形成することができる。軸棒１１はただ回転するだけであり、軸棒１１自体の移動が不要であり、装置構成を大がかりとすることなく、効率的かつ経済的な端面揃えが可能となる。 Since the configuration of the aligning device 1 is as described above, it is possible to form a metal roll having end surfaces aligned by winding while eliminating positional displacement. The shaft 11 merely rotates, and the shaft 11 itself does not need to be moved, so that the end face alignment can be performed efficiently and economically without increasing the size of the apparatus.
なお、揃え装置は上記の態様に限定されない。
たとえば、上流から供給される幅広のアルミ薄板Ａを中途で分割し、それぞれに対して、センサと押圧部と制御部とを有し、軸棒一つで複数の金属ロールを形成することもできる。
Note that the aligning device is not limited to the above embodiment.
For example, it is possible to divide the wide aluminum sheet A supplied from the upstream, and to have a sensor, a pressing part, and a control part for each, and to form a plurality of metal rolls with a single shaft rod. .
図３は、一つの軸棒に対して二つの金属ロールを形成する揃え装置の構成例を示した概要図である。なお、ここでは、説明の便宜上、分割された一方のアルミ薄板を薄板Ａ１、他方を薄板Ａ２と称することとする。また上記の説明と同様の構成部分は同一の符号を付し、その説明を省略する。 FIG. 3 is a schematic diagram showing a configuration example of an aligning device that forms two metal rolls on one shaft rod. Here, for convenience of explanation, one of the divided aluminum thin plates is referred to as a thin plate A1, and the other is referred to as a thin plate A2. The same components as those described above are denoted by the same reference numerals, and the description thereof is omitted.
揃え装置２は、軸駆動部１０と、センサ２０と、押圧部３０と、制御部４０と、切断刃５０と、を有する。なお、センサ２０と押圧部３０と制御部４０とは、セットとなり、それぞれ、薄板Ａ１と薄板Ａ２に備わる。 The aligning device 2 includes a shaft driving unit 10, a sensor 20, a pressing unit 30, a control unit 40, and a cutting blade 50. In addition, the sensor 20, the pressing part 30, and the control part 40 are set, and are provided in the thin plate A1 and the thin plate A2, respectively.
切断刃５０は、押圧部３０の上流に配され、軸棒１１を介した軸駆動部１０による薄板Ａの引っ張り力に伴い薄板Ａを連続的に二分割していく。ここでは、固定刃を採用しているが、仕様の態様により、回転刃を用いてもよい。 The cutting blade 50 is disposed upstream of the pressing unit 30 and continuously divides the thin plate A into two parts along with the pulling force of the thin plate A by the shaft driving unit 10 via the shaft rod 11. Here, a fixed blade is employed, but a rotating blade may be used depending on the specification.
下流では、軸棒１１に対して、薄板Ａ１によるロールと、薄板Ａ２によるロールがそれぞれ形成される。ここで、それぞれの薄板に対して、それぞれのセットがずれを動的に補正していくので、一回の巻取動作にて、所望の幅（同じ幅であってもよい）の、端面の揃った二つのロールを調製することができる。 On the downstream side, a roll made of the thin plate A1 and a roll made of the thin plate A2 are formed on the shaft 11 respectively. Here, for each thin plate, each set dynamically corrects the deviation, so that the end face of the desired width (or the same width) can be obtained in one winding operation. Two aligned rolls can be prepared.
なお、この例では元の帯状薄板を二つに切断しながら巻き取る例を説明したが、切断刃５０を複数設け、形成するロールの数を増やしてもよい。 In this example, the example in which the original strip-like thin plate is wound while being cut in two has been described. However, a plurality of cutting blades 50 may be provided to increase the number of rolls to be formed.
揃え装置２によれば、巻取時間は同じままで、端面の揃った複数のロールを得ることができ、生産性を向上させることができる。また、揃え装置１と同様に装置の大型化も招来しない。 According to the aligning device 2, the winding time remains the same, and a plurality of rolls with aligned end faces can be obtained, and productivity can be improved. Further, as with the aligning device 1, the size of the device is not increased.
以上の説明ではアルミ薄板を対象としたが、これに限らず、他の金属薄板でもよく、更には、ローラの当接によりヨレが生じない、ある程度の厚みがある、または、ある程度の剛性があるシート状素材であれば、同様に端面の揃ったロールを形成することが可能である。 In the above description, the aluminum thin plate is targeted. However, the present invention is not limited to this, and other metal thin plates may be used. Furthermore, there is no twist due to the contact of the roller, there is a certain thickness, or there is some rigidity. If it is a sheet-like raw material, it is possible to form a roll with the same end face.
１，２ 揃え装置
１０ 軸駆動部
１１ 軸棒
１２ 駆動部
１３ 軸受
２０ センサ
３０ 押圧部
３１ ローラ
３２ 昇降部
３３ 軸ホルダ
４０ 制御部
５０ 切断刃
1, 2 aligning device 10 shaft drive unit 11 shaft rod 12 drive unit 13 bearing 20 sensor 30 pressing unit 31 roller 32 lifting unit 33 shaft holder 40 control unit 50 cutting blade
Claims (4)
軸棒を回転させ金属薄板を巻き取る回転手段と、
軸棒に巻き付くより上流の位置にて、送られてくる帯の縁の位置ずれの量を検知する検知手段と、
検知手段近傍の帯の左右にそれぞれ配したローラであって、独立して、帯の左側または右側に押し当てて厚み方向に圧力をかけるローラと、
検知手段による位置ずれの量に基づき、はみ出している側のローラを帯に押し当てるローラ制御手段と、
を具備し、
位置ずれをなくしつつ巻き取って金属ロールを形成することを特徴とする金属ロール端面揃え装置。 A shaft bar that wraps a strip-shaped metal sheet of a constant width that is continuously supplied;
Rotating means for rotating the shaft rod and winding the metal thin plate,
Detecting means for detecting the amount of positional deviation of the edge of the belt that is sent at a position upstream from the shaft rod;
Rollers respectively arranged on the left and right sides of the belt in the vicinity of the detection means, independently, a roller that presses against the left or right side of the belt and applies pressure in the thickness direction;
Roller control means for pressing the protruding roller against the belt based on the amount of displacement by the detection means;
Comprising
A metal roll end face aligning device, wherein a metal roll is formed by winding while eliminating positional deviation.
検出手段と左右それぞれのローラとを組にして、各金属薄板に配したことを特徴とする請求項１に記載の金属ロール端面揃え装置。 Wrap multiple thin metal plates around the shaft rod,
2. The metal roll end face aligning device according to claim 1, wherein the detection means and the left and right rollers are paired and arranged on each metal thin plate.
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| JP2016067160A JP7165290B2 (en) | 2016-03-30 | 2016-03-30 | Aluminum roll edge alignment device |
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| CN109283479A (en) * | 2018-12-05 | 2019-01-29 | 河北申科电力股份有限公司 | Mutual inductor detection check equipment |
| CN114289351A (en) * | 2021-12-30 | 2022-04-08 | 江苏二互电气有限公司 | Power frequency withstand voltage retest tool for mutual inductor |
| JP7250238B1 (en) * | 2023-01-06 | 2023-04-03 | 地方独立行政法人鳥取県産業技術センター | Metal roll end face aligning device |
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